Literature DB >> 3205678

Gamma irradiation of Sennae Folium. Microbiological and phytochemical studies.

H Van Doorne1, E H Bosch, J H Zwaving, E T Elema.   

Abstract

The effect of different doses of gamma irradiation on senna leaves was studied. No changes in sennoside content and composition were observed after irradiation with 25 kGy. It was demonstrated that a minimum dose of 10 kGy was necessary to obtain a product of good microbiological quality. Cold maceration of senna leaves has to be discouraged, because of unavoidable microbial growth. Hot extraction is the method of choice for tea preparation. The rationale of gamma irradiation is discussed.

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Year:  1988        PMID: 3205678     DOI: 10.1007/bf01956874

Source DB:  PubMed          Journal:  Pharm Weekbl Sci        ISSN: 0167-6555


  4 in total

1.  Repair and enumeration of injured coliforms by a plating procedure.

Authors:  M L Speck; B Ray; R B Read
Journal:  Appl Microbiol       Date:  1975-04

Review 2.  Streptococci of Lancefield Groups A, B and D and those of buccal origin in foods: their public health significance, monitoring and control.

Authors:  A A Mossel; P G Bijker; I Eelderink
Journal:  Soc Appl Bacteriol Symp Ser       Date:  1978

3.  [Microbiological purity of drugs, those not compulsorily sterile. Test methods].

Authors: 
Journal:  Pharm Acta Helv       Date:  1976

4.  Enumeration of Bacillus cereus in foods.

Authors:  D A Mossel; M J Koopman; E Jongerius
Journal:  Appl Microbiol       Date:  1967-05
  4 in total

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